Translation of unberechenbar

This is almost six hours, a long time for someone who has children and a day job. I recommend that we write eachother shorter emails and in both languages. Spanish and English next to eachother.
Last week for example, I could have told you in advance that there is no chance for the other trials (if I knew): The traffic on the major website was too big. We should test it again sometime.
Fortunately the bay we anchored was very calm and the ship did not move at all, or at least one could not feel it. We prepared for dinner and went to the deck, where everybody else was sitting.